Would happen if the sun moved 7000 miles closer to earth

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Considering there’s about a 3 million mile difference between the closest and farthest points of Earth’s orbit from the sun, we wouldn’t notice the slightest difference. Plus, if we were 7000 miles closer now, we’d be 7000 miles farther away in 6 months.We wouldn’t notice, although it could probably be measured with instruments… as it … Continue reading Would happen if the sun moved 7000 miles closer to earth

The big bang

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There is always a cause for an effect. But we can’t always measure that cause; so we are stuck with measuring the effect that is observable. And that’s the crux of the legerdemain we call quantum physics. So we measure what we can of the universe to infer what the cause was based on those … Continue reading The big bang

A cube of 1 m edge length is crushed in order to get small cubes of edge length 1 mm.

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crushed? exactly what does this mean?  Guessing you mean the cube is of sheet metal, and it is cut up and formed into small cubes. But the total area has to be the same, which is 6 m²  or perhaps the cube is of solid metal (which cannot be crushed) and melted down and formed … Continue reading A cube of 1 m edge length is crushed in order to get small cubes of edge length 1 mm.